A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Multi-Class DSTE Support for the Path Computation Element Communication Protocol
Author(s) : Q. Zhao, et al.
Filename : draft-zhao-pce-pcep-multiclass-type-dste-00.txt
Pages : 11
Date : 2009-07-06
Diffserv-Aware Traffic Engineering (DS-TE) can be used by Service
Providers to perform fine grain bandwidth management of a subset, or
sub-pool, of traffic flows. Typically in DS-TE a diffserv class will
use a single Label Switch Path (LSP) that satisfies the bandwidth
required. Where traffic with different diffserv characteristics must
be mapped to a single LSP. Multi-Class DS-TE can be used to select
an LSP that satisfy the bandwidth requirement of all classes
required.
This document specifies the PCEP extentions to support Multi-Class
Type DS-TE where path computation is performed with the aid of a Path
Computation Element (PCE).
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http://www.ietf.org/internet-drafts/draft-zhao-pce-pcep-multiclass-type-dste-00.txt
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